import assert from 'node:assert/strict';
import test from 'node:test';

import {
  calculateNetSaleProceeds,
  createSale,
  createSaleItem,
} from '../../src/modules/sales/domain/sale.js';

test('creates a valid sale record and calculates net proceeds after fees', () => {
  const sale = createSale({
    sellerId: 'seller-id',
    saleDate: '2026-09-08',
    saleLocation: 'eBay',
    soldPriceMinor: 4999,
    currency: 'USD',
    platformFeesMinor: 300,
    paymentProcessingFeesMinor: 120,
    shippingCostMinor: 50,
    taxesMinor: 90,
    otherFeesMinor: 40,
    buyerName: 'Alex',
    buyerContact: 'alex@example.com',
  });

  assert.equal(sale.soldPriceMinor, 4999);
  assert.equal(sale.currency, 'USD');
  assert.equal(calculateNetSaleProceeds({
    soldPriceMinor: 4999,
    platformFeesMinor: 300,
    paymentProcessingFeesMinor: 120,
    shippingCostMinor: 50,
    taxesMinor: 90,
    otherFeesMinor: 40,
  }), 4399);
});

test('rejects invalid sales and negative fee values', () => {
  assert.throws(
    () => createSale({
      sellerId: 'seller-id',
      saleDate: '2026-09-08',
      soldPriceMinor: 0,
    }),
    /must be a positive integer minor unit/,
  );

  assert.throws(
    () => createSaleItem({
      saleId: 'sale-id',
      inventoryItemId: 'inventory-item-id',
      soldPriceMinor: 2000,
      costBasisMinor: -1,
    }),
    /must be a non-negative integer minor unit/,
  );
});